DDD-Pacing-Induced Cardiomyopathy Following AV Node Ablation for Persistent Atrial Tachycardia |
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| Authors: | Kyoko Soejima Etienne Delacretaz William G. Stevenson Peter L. Friedman |
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| Affiliation: | (1) Cardiovascular Division, Department of Internal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts |
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| Abstract: | Ventricular rate control by catheter ablation of the AV node and pacing in patients with persistent atrial tachycardia has been reported to improve left ventricular function. However, this approach requires careful selection of the pacing mode. We report a patient who underwent AV node ablation for persistent multiple atrial tachycardias, and who then had a non-mode-switching pacemaker implanted. Because of an inappropriately programmed relatively high upper rate limit, the patient developed left ventricular dysfunction after 6 years. This resolved after programming the pacemaker to VVI at 70 bpm. |
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| Keywords: | atrial tachycardia catheter ablation left ventricular dysfunction pacemaker tachycardia-induced cardiomyopathy atrial flutter |
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